

def yen_change_meiyuan(yen: float):
    return f"人民币：{yen}兑换成美元：{yen * 0.1415}"


def meiyuan_change_yen(meiyuan: float):
    return f"美元：{meiyuan}兑换成人民币：{meiyuan * 7.0668}"


if __name__ == "__main__":
    print(yen_change_meiyuan(1.0))
    print(meiyuan_change_yen(10.0))
